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https://issues.apache.org/jira/browse/CAMEL-3824?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13015335#comment-13015335
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Joshua Watkins commented on CAMEL-3824:
---------------------------------------

Sorry, I should have posted the producer code as well. Both the producer and 
the consumer don't support headers. This makes it a bit clunky if you are say 
moving from JMS to Cometd and you want to maintain a header like CorrelationId.

I see the cometD ext section as headers (http://cometd.org/node/17).  I am not 
sure why they didn't call them headers but I am no cometD expert. Currently two 
of the extensions they have are for authentication and a timestamp 
(http://cometd.org/documentation/2.x/cometd-ext/timestamp). By looking other 
protocols, such as http, these are specified typically as headers. 

With that said, I guess I would expect Camel message headers to be transfered 
to Cometd extensions along the same lines as JMS headers are passed.

> Allow cometd component to send message headers with the message 
> ----------------------------------------------------------------
>
>                 Key: CAMEL-3824
>                 URL: https://issues.apache.org/jira/browse/CAMEL-3824
>             Project: Camel
>          Issue Type: Improvement
>    Affects Versions: 2.6.0
>            Reporter: Joshua Watkins
>            Priority: Minor
>
> Currently the cometd component ignores message headers. 
> ======
> Code snippet from CometdConsumer.java:
>             Message message = new DefaultMessage();
>             message.setBody(data);
>             Exchange exchange = endpoint.createExchange();
>             exchange.setIn(message);
> ======
> Exchange message headers should be maintained (perhaps with a flag?).

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